/*******************************************************************************
* Copyright (c) 2006 Oracle Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.bpel.xpath10;
/**
* A predicate.
*
* @author Michal Chmielewski (michal.chmielewski@oracle.com)
* @date Aug 26, 2008
*
*/
@SuppressWarnings("nls")
public class Predicate {
Expr fExpr ;
/**
* Brand new predicate on an expression.
* @param expr
*/
public Predicate (Expr expr) {
fExpr = expr;
}
/**
* @return the predicate (boolean) expression.
*/
public Expr getExpr () {
return fExpr;
}
/**
* @return return it as text.
*/
public String getText() {
return "[" + fExpr.getText() + "]";
}
/**
* @see java.lang.Object#toString()
*/
@Override
public String toString () {
StringBuilder sb = new StringBuilder();
sb.append("{").append(getClass().getName()).append(",");
sb.append("[").append(fExpr).append("]");
return sb.toString();
}
/**
* @return the position of the predicate in the input "stream"
*/
public int getPosition ()
{
return fExpr != null ? fExpr.getPosition() : -1;
}
/**
* @return the end position of the predicate in the input "stream"
*/
public int getEndPosition ()
{
return fExpr != null ? fExpr.getEndPosition() : -1;
}
}